Who composed the National Anthem of Pakistan?

Who composed the National Anthem of Pakistan?A. Hafeez Jalandhari
B. Ahmed G. Chagla
C. Allama Iqbal
D. Jahangir Aziz Hayat

‘Thy Sacred Land’), is the national anthem of the Islamic Republic of Pakistan. It was written by Hafeez Jalandhari in 1952 and the music was produced by Ahmad G. Chagla in 1949, preceding the lyrics.